Table 4. Increased BOLD signal elicited by happy faces compared to neutral faces in the PTSD-No Depression Group (n = 8) vs Trauma-exposed controls (TC: n = 20;), and PTSD-Depression Group (n = 15) vs Trauma-exposed controls (TC: n = 20).

Brain Region	Hem	MNI Coordinates			Voxels	t	p
TC≥PTSD-no depression
Amygdala	R	22	−6	−12	18	2.49	.005
Ventral Striatum	L	14	4	−6	74	2.10	.009
TC≥PTSD -depression
Amygdala	R	34	−2	−24	22	2.24	.008
Ventral Striatum	R	34	−16	0	120	2.93	.002
Non-Depressed PTSD≥Depressed PTSD
Amygdala	R	32	−4	−20	11	2.31	.008
Ventral Striatum	R	10	14	12	843	6.19	.000
Depressed PTSD≥Non-Depressed PTSD
Amygdala	-	-	-	-	-	-	-
Ventral Striatum	-	-	-	-	-	-	-

Note: TC = trauma-exposed controls,